:root{--bg:#f6f7f9;--card:#fff;--fg:#1b1f24;--muted:#646d78;--line:#e2e5ea;--accent:#2557d6;--accent-fg:#fff;
--ok:#1f7a3d;--ok-bg:#e3f4e8;--warn:#8a5a00;--warn-bg:#fff3d6;--danger:#b42318;--danger-bg:#fde8e6;--code:#eef1f5;
--radius:10px;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari",sans-serif;font-size:15px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0f1216;--card:#171b21;--fg:#e6e9ee;--muted:#98a1ad;--line:#2a313a;
--accent:#6b93ff;--accent-fg:#0b0e12;--ok:#5fd18a;--ok-bg:#12301e;--warn:#f0c060;--warn-bg:#33280c;--danger:#ff8a80;--danger-bg:#3a1512;--code:#222831}}
:root[data-theme="dark"]{--bg:#0f1216;--card:#171b21;--fg:#e6e9ee;--muted:#98a1ad;--line:#2a313a;--accent:#6b93ff;--accent-fg:#0b0e12;
--ok:#5fd18a;--ok-bg:#12301e;--warn:#f0c060;--warn-bg:#33280c;--danger:#ff8a80;--danger-bg:#3a1512;--code:#222831}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);line-height:1.45}
main{max-width:1200px;margin:0 auto;padding:16px}
footer{max-width:1200px;margin:24px auto;padding:0 16px;color:var(--muted);font-size:12px}
h1{font-size:1.5rem;margin:.2em 0 .7em}h2{font-size:1.1rem;margin:0 0 .6em}
a{color:var(--accent)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
code{background:var(--code);padding:1px 5px;border-radius:4px;word-break:break-all}
.top{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.top .brand{font-weight:700;text-decoration:none;color:var(--fg)}
.top nav.wide{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.top nav a{text-decoration:none;color:var(--muted);padding:6px 8px;border-radius:6px}
.top nav a.on,.top nav a:hover{color:var(--fg);background:var(--code)}
.top .search input{width:170px}
.menu{display:none}
.menu summary{cursor:pointer;list-style:none;font-size:1.3rem}
.menu nav{position:absolute;left:8px;top:48px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;padding:8px;min-width:200px}
@media (max-width:900px){.top nav.wide{display:none}.menu{display:block}.top .search{order:5;width:100%}.top .search input{width:100%}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.card.narrow{max-width:420px;margin:48px auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.grid>.card{margin-bottom:0}.grid{margin-bottom:16px}
label{display:block;margin:0 0 12px;font-weight:500}
label input,label textarea,label select{display:block;width:100%;margin-top:4px;font-weight:400}
input,textarea,select{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:7px 9px;max-width:100%}
textarea{width:100%}
button,.btn{font:inherit;cursor:pointer;border:1px solid transparent;border-radius:6px;padding:7px 14px;background:var(--accent);color:var(--accent-fg);text-decoration:none;display:inline-block}
button.secondary,.btn.secondary{background:transparent;color:var(--fg);border-color:var(--line)}
button.danger{background:var(--danger);color:#fff}button.ok{background:var(--ok);color:#fff}
button.link{background:none;color:var(--accent);padding:0;border:0}
button.link.danger{color:var(--danger)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.row.compact{margin:0}
.row input:not([type=hidden]){flex:0 1 auto}
table{width:100%;border-collapse:collapse}
table.data th,table.data td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.data th{font-size:.82rem;color:var(--muted);font-weight:600}
table td{padding:4px 6px}
.scroll{overflow-x:auto}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:.78rem;background:var(--code);color:var(--muted)}
.pill.ok{background:var(--ok-bg);color:var(--ok)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.pill.danger{background:var(--danger-bg);color:var(--danger)}
.banner{padding:10px 16px;text-align:center;font-weight:600}
main .banner{border-radius:var(--radius);margin-bottom:16px;text-align:left}
.banner.danger{background:var(--danger);color:#fff}.banner.warn{background:var(--warn-bg);color:var(--warn)}
.muted{color:var(--muted)}.small{font-size:.82rem}.nowrap{white-space:nowrap}
.err{color:var(--danger);font-weight:600}.okmsg{color:var(--ok);font-weight:600}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px}
.tabs a{padding:6px 10px;border-radius:6px;text-decoration:none;color:var(--muted);border:1px solid var(--line)}
.tabs a.on{color:var(--fg);background:var(--card)}
.setting{border-top:1px solid var(--line);padding:12px 0}
.setting:first-of-type{border-top:0}
.setting form{display:grid;grid-template-columns:minmax(200px,280px) 1fr;gap:4px 16px;align-items:start}
.setting .sinput{display:flex;gap:8px;align-items:flex-start}
.setting .sinput input,.setting .sinput select,.setting .sinput textarea{flex:1}
.setting .shelp,.setting .err,.setting .okmsg{grid-column:2}
@media (max-width:700px){.setting form{grid-template-columns:1fr}.setting .shelp,.setting .err,.setting .okmsg{grid-column:1}}
.history{margin:8px 0 0 0;padding:8px;background:var(--bg);border-radius:6px}
.qr{background:#fff;padding:12px;border-radius:8px;width:max-content;max-width:100%;margin:12px auto}
.qr svg{display:block;width:220px;height:220px}
pre.wrap{white-space:pre-wrap;word-break:break-word;background:var(--code);padding:12px;border-radius:6px}
.secret{user-select:all}